42 CFR § 457.1180
Program specific review process: Notice
June 11, 2020
A State must provide enrollees and applicants timely written notice of any determinations required to be subject to review under §457.1130 that includes the reasons for the determination, an explanation of applicable rights to review of that determination, the standard and expedited time frames for review, the manner in which a review can be requested, and the circumstances under which enrollment may continue pending review.